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FIGURE MEEKER PROJECT NORTHERN COAL COMPANY RE CE I =/ D RIO BLANCO CO.COMEEKE ES, RIO BLANCO MAR 06 OBSERVATION HOLE 80 -02 SEC 21,TWP2N,RNG 93W CONS. Drv., u s HYDROLOGY PROGRAM SEPTEMBER , 1980 Leonard Rice Consulting Water Engineers, k , OBSERVATION 'HOLE CONSTRUCTION FF -C i I .. Sandstone, slightly friable, cal - ••1. careous, trace carbonaceous ! EE -COAL 3 Shale with coal Sandstone, calcareous, friable, trace carbonaceous I Shale, silty to sandy stringers I throughtout ;•;1;•' Sandstone, calcareous, friable, trace carbonaceous - -ale, silty to sandy I ; I I I — -DD -COAL 40 Coal Shale I Shale, silty to sandy, siltstone a stringers, carbonaceous at top, coal at bottom •.�•1, Sandstone, friable i r Shale, silty to sandy, carbona- ceous , trace coal, calcareous, siltstone and sandstone stringers i ! ,+•• Siltstone, argelaceous in parts 500 -- - — ••.+„•.Sandstone, calcareous Shale, calcareous siltstone and i I sandstone stringers, sandy in upp- er 15 feet, trace carbonaceous, coal stringers i i Siltstone, calcareous, some shale, trace sand 60Q Shale,, siltstone and sandstone - -` i.: lenses a,•,1' Sandstone, slightly calcareous, f slightly friable some carbona- ceous, some shale interbedded Shale, some carbonaceous material 1 Shale, silty to sandy, slightly calcareous, trace carbonaceous 1 i and coal i••• Sandstone, calcareous, argela- c: y ceous in points, [race carbona- ceous, - ceous, trace pyrite, QQ some silt- stone lenses, shale stringers Shale, sandy Sandstone, calcareous grading to i argelaceous ,l Shale and sandstone, calcareous, siltstone stringers, trace of car- bonaceous and coal 80_0 Shale, silty to sandy in parts, siltstone stringers, trace car- s bonaceous I I I I Siltstone, calcareous I a Shale, trace carbonaceous material i® Shale, sandy, some carbonaceous shale, siltstone stringers, sand - �� 9 stone lenses i.'.'.1.' Sandstone, calcareous, friable, some carbonaceous material Shale, sandy in points Sandstone, slightly friable, cal- careous, shale stringers i I Shale, slightly carbonaceous, siltstone streaks and stringers i•Sandstone, calcareous, trace of I ,nnn •'�" coal 1°1= dhShale, calcareous siltstone stringers, carbonaceous Sandstone, calcareous Shale, trace carbonaceous at top, sandy zones .'.+'. Sandstone, calcareous m Shale, carbonaceous at top, cal- careous siltstone stringers •' Sandstone, slightly calcareous, :7 • shale stringers, carbonaceous material at top ! Carbonaceous shale, sandstone 1100 at base i Shale SandstoTre, calcareous ` Shale, calcareous I I X-COAL Coal with shaley top I I Shale, sandy Coal I Siltstone Shale, sandy ...;.. Siltstone, calcareous Shale, siltstone stringers 1200 CM V -COAL Coal ;'��•• Siltstone, calcareous Shale, sandy in part, siltstone I i © stringer, sandstone stringers . ;.R r Siltstone, slightly calcareous, ;-,4 shale and sandstone stringers � I r -COAL I I Shale, sandy, coal stringer at top 130Q •• Siltstone, calcareous, trace car- bonaceous, shale stringer, argela I .T, ceous Shale, carbonaceous material, sandy I ( !•,••j Sandstone, calcareous, carbona- ceous material i - Siltstone, sandy, calcareous, " argelaceous at base UP-COAL Coal, clean 'Sandstone, calcareous, argela- 1400 . . -* -' ceous strip ers r 0'• g Siltstone, sandy, calcareous, argelaceous at base P -COAL Coal, clean Shale, sandy stringers •'Sandstone, calcareous it ..'.i. l I Shale, sandy lenses •i I •' Sandstone, calcareous, argela- I 150 •1 eous stringers, several calcar- - -' Q — ous siltstone stringers ' I - Siltstone, calcareous, slightly argelaceous, trace carbonaceous M2 -COAL Coal with shale parting M1 -COAL o -hale, sandstone stringers, trace carbonaceous, coal zone L -COAL _1600 .'•'iltstone, argelaceous stringers, UK-COAL !`S addy, coal stringers ..r- i Shale, sandy l Kr -COAL oal, slightly shaley i I Siltstone, calcareous i hale, silty to sandy, sandstone ° stingers andstone, slightly calcareous IK -COAL oal Siltsrone, argelaceous, calcareous 1700 Shale, sandy �~ I I I I Shale, silty to sandy with silt- ' I b I stone and sandstone stringers, carbonaceous material J - COAL Coal, clean I I © Shale, sandy stringers 1800 i i - - -- I Siltstone, calcareous, sandy ".1.. stringers, trace shaley coal Shale, sandy, sandstone stringers J! I 1 8 lenses, slightly calcareous I i m Siltstone, slightly calcareous t � i I Shale, sandy, sandstone lenses S J ! © radin g to siltstone at base 1900 H- COAL Coal shale, parting G C qAL I ! Sandstone, calcareous, shales L stringers Siltstone, calcareous, sandstone and shale stringers, -trace car - bonaceous 0 Shale, sandy zone, siltstone stringers, trace carbonaceous, • sandy throughout _y 2000 ,.: Siltstone, slightly calcareous, sandstone Lenses, shaley-stringers F3 -COAL I Coal with 3 feet parting F2-COAL - Siltstone, slightly calcareous, 1•• argelaceous and carbonaceous at I I top Shale, sandy 2100 — Siltstone, calcareous, sandstone .1.. lenses Shale, sandy in points, scattered ' a carbonaceous TD 2140' • m GEOPHYSICAL LOGS o D (3POL LOG � IDEI�TH JUSTED) GAMMA BULK RAY DENSITY CALIPER p m (sgu) ( g /cm3 ) ( inches) o D ry m 0 200 6000 0 II'' 6" Alluvium, oxidized, calcareous — i Claystone, sandy, calcareous Claystone, calcareous Shale, sandy, calcareous Sandstone, friable, calcareous, shale stringers, coal stringers Shale, silty to sandy, siltstone i stringers, calcareous I •.i � Sandstone, calcareous, shale S interbedded UFF2 -COAL 100 Sha -le, silty to sandy _= Coal I Claystone, sandy, carbonaceous UFF1-COAL Shale, traces coal i Siltstone, some sand I ' Shale F I I PACK -- - Sandstone, sli h tly friable ER p -COAL 2 ~LFF - -- -' _ __ Coal, clean JS FF JS FF -COAL Shale with coal ZONE I Shale, sandy stringers, some j 1 I i { black shale i I .. Sandstone, slightly friable, cal - ••1. careous, trace carbonaceous ! EE -COAL 3 Shale with coal Sandstone, calcareous, friable, trace carbonaceous I Shale, silty to sandy stringers I throughtout ;•;1;•' Sandstone, calcareous, friable, trace carbonaceous - -ale, silty to sandy I ; I I I — -DD -COAL 40 Coal Shale I Shale, silty to sandy, siltstone a stringers, carbonaceous at top, coal at bottom •.�•1, Sandstone, friable i r Shale, silty to sandy, carbona- ceous , trace coal, calcareous, siltstone and sandstone stringers i ! ,+•• Siltstone, argelaceous in parts 500 -- - — ••.+„•.Sandstone, calcareous Shale, calcareous siltstone and i I sandstone stringers, sandy in upp- er 15 feet, trace carbonaceous, coal stringers i i Siltstone, calcareous, some shale, trace sand 60Q Shale,, siltstone and sandstone - -` i.: lenses a,•,1' Sandstone, slightly calcareous, f slightly friable some carbona- ceous, some shale interbedded Shale, some carbonaceous material 1 Shale, silty to sandy, slightly calcareous, trace carbonaceous 1 i and coal i••• Sandstone, calcareous, argela- c: y ceous in points, [race carbona- ceous, - ceous, trace pyrite, QQ some silt- stone lenses, shale stringers Shale, sandy Sandstone, calcareous grading to i argelaceous ,l Shale and sandstone, calcareous, siltstone stringers, trace of car- bonaceous and coal 80_0 Shale, silty to sandy in parts, siltstone stringers, trace car- s bonaceous I I I I Siltstone, calcareous I a Shale, trace carbonaceous material i® Shale, sandy, some carbonaceous shale, siltstone stringers, sand - �� 9 stone lenses i.'.'.1.' Sandstone, calcareous, friable, some carbonaceous material Shale, sandy in points Sandstone, slightly friable, cal- careous, shale stringers i I Shale, slightly carbonaceous, siltstone streaks and stringers i•Sandstone, calcareous, trace of I ,nnn •'�" coal 1°1= dhShale, calcareous siltstone stringers, carbonaceous Sandstone, calcareous Shale, trace carbonaceous at top, sandy zones .'.+'. Sandstone, calcareous m Shale, carbonaceous at top, cal- careous siltstone stringers •' Sandstone, slightly calcareous, :7 • shale stringers, carbonaceous material at top ! Carbonaceous shale, sandstone 1100 at base i Shale SandstoTre, calcareous ` Shale, calcareous I I X-COAL Coal with shaley top I I Shale, sandy Coal I Siltstone Shale, sandy ...;.. Siltstone, calcareous Shale, siltstone stringers 1200 CM V -COAL Coal ;'��•• Siltstone, calcareous Shale, sandy in part, siltstone I i © stringer, sandstone stringers . ;.R r Siltstone, slightly calcareous, ;-,4 shale and sandstone stringers � I r -COAL I I Shale, sandy, coal stringer at top 130Q •• Siltstone, calcareous, trace car- bonaceous, shale stringer, argela I .T, ceous Shale, carbonaceous material, sandy I ( !•,••j Sandstone, calcareous, carbona- ceous material i - Siltstone, sandy, calcareous, " argelaceous at base UP-COAL Coal, clean 'Sandstone, calcareous, argela- 1400 . . -* -' ceous strip ers r 0'• g Siltstone, sandy, calcareous, argelaceous at base P -COAL Coal, clean Shale, sandy stringers •'Sandstone, calcareous it ..'.i. l I Shale, sandy lenses •i I •' Sandstone, calcareous, argela- I 150 •1 eous stringers, several calcar- - -' Q — ous siltstone stringers ' I - Siltstone, calcareous, slightly argelaceous, trace carbonaceous M2 -COAL Coal with shale parting M1 -COAL o -hale, sandstone stringers, trace carbonaceous, coal zone L -COAL _1600 .'•'iltstone, argelaceous stringers, UK-COAL !`S addy, coal stringers ..r- i Shale, sandy l Kr -COAL oal, slightly shaley i I Siltstone, calcareous i hale, silty to sandy, sandstone ° stingers andstone, slightly calcareous IK -COAL oal Siltsrone, argelaceous, calcareous 1700 Shale, sandy �~ I I I I Shale, silty to sandy with silt- ' I b I stone and sandstone stringers, carbonaceous material J - COAL Coal, clean I I © Shale, sandy stringers 1800 i i - - -- I Siltstone, calcareous, sandy ".1.. stringers, trace shaley coal Shale, sandy, sandstone stringers J! I 1 8 lenses, slightly calcareous I i m Siltstone, slightly calcareous t � i I Shale, sandy, sandstone lenses S J ! © radin g to siltstone at base 1900 H- COAL Coal shale, parting G C qAL I ! Sandstone, calcareous, shales L stringers Siltstone, calcareous, sandstone and shale stringers, -trace car - bonaceous 0 Shale, sandy zone, siltstone stringers, trace carbonaceous, • sandy throughout _y 2000 ,.: Siltstone, slightly calcareous, sandstone Lenses, shaley-stringers F3 -COAL I Coal with 3 feet parting F2-COAL - Siltstone, slightly calcareous, 1•• argelaceous and carbonaceous at I I top Shale, sandy 2100 — Siltstone, calcareous, sandstone .1.. lenses Shale, sandy in points, scattered ' a carbonaceous TD 2140' •